Linux tutorial - IT technology blog
Posted inLinux

How to Configure Nginx as Web Server and Reverse Proxy on Ubuntu

Running an app directly on port 3000 works right up until you need HTTPS, multiple backends, or proper static file serving. This guide walks through configuring Nginx as both a static web server and reverse proxy on Ubuntu, covering server blocks, proxy headers, SSL with Let's Encrypt, and the monitoring commands you'll reach for after every deploy.
AI tutorial - IT technology blog
Posted inAI

AI Safety: How to Use AI Tools Without Leaking Your Data

Using AI tools like ChatGPT or Claude without thinking about data privacy is a common but avoidable risk. This guide walks through practical techniques — anonymization scripts, API access, and local models with Ollama — to keep your sensitive data off third-party servers.
DevOps tutorial - IT technology blog
Posted inDevOps

Deploy App to VPS with Docker, Nginx, and SSL: A Production-Ready Guide

Deploying an app to a VPS without a proper stack is how you end up debugging at 2 AM with an expired SSL cert and a dead process. This guide walks through a production-ready setup using Docker for isolation, Nginx as a reverse proxy, and Certbot for free automated SSL — the same stack I run across multiple production services.